PACKAGE INCLUDING: This French protection duo contains 15ml builder gel, 15ml top coat and portable nail lamp. BTArtboxnails product is brand new and sealed tightly. Any product questions, please don't hesitate to contact us for help. HEALTHY MATERIAL WITH SGS/MSDS STANDARDS: This gel extension nail kit are in strict production compliance with SGS & MSDS standards. Natural resin, healthy ingredients, no impurities, vegan & cruelty-free, non-toxic and harmless to nail & skin. PORTABLE NAIL LAMP: Features 2 timer settings of 60s and 120s, allowing you to easily and efficiently cure builder gel for nails, nail polish, base coat, top coat, nail extension gel, and more. SUPER EASY APPLICATION: Begin by applying a layer of builder gel to the surface and edges of French X-coat tips, then cure under nail lamp for 60s to fully dry. After curing, repeat the process by adding another layer of top coat on top of the builder gel. 30+ DAYS LONG-LASTING: btartboxnails nail tips builder gel can provide ultra-protection for French tips, extend French X-coat tips longevity for 30+days, and prevent peeling, chipping, fade, cracking, and lifting.